body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
      'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
      sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  code {
    font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
      monospace;
  }
  .App {
    text-align: center;
  }
  
  .App-header {
    background-color: #ffffff;
    background-image: url("board.jpg");
    min-height: 100vh;
    background-size: 100% auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: calc(10px + 2vmin);
    color: rgb(0, 0, 0);
  }
  
  .App-link {
    color: #61dafb;
  }
  
  input[type=number] {
    font-size: calc(10px + 2vmin);
    width: 4em;
  }
  
  button {
    background-color: #000000; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
}

  
  textarea {
    font-size: calc(10px + 2vmin);
  }
  
  .ContractInfo {
    font-size: calc(10px + 1vmin);
    text-align: left;
    width: 90vw;
    height: 7em;
    padding: 2vw;
    overflow-x: scroll;
    white-space: pre;
  }

  .square {
    width:50px;
	  height:50px;
	  padding:0px;
    background-color: #ffffff;
    border: 2px solid #000000;
    color: #000000;
    line-height: 0px;
  }

  
  
  .chessboard-row:first-child .chessboard-cell{
    border: none;
  }
  .chessboard-col:first-child .chessboard-cell{
    border: none;
  }
  .chessboard-row{
    position: relative;
  }
  .chessboard-cell{
    border: 1px solid rgb(131, 130, 130);
    width: 25px;
    height: 25px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    box-sizing: border-box;
  }
  .chessboard-cell-click{
    width: 20px;
    height: 20px;
    position: absolute;
    z-index: 12;
    margin-right: -10px;
    margin-bottom: -10px;
  }
  .chessboard-cell-black{
    z-index: 99;
    margin-right: -10px;
    margin-bottom: -10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #333333;
    box-shadow: 0px 2px 5px 2px #eee;
  }
  .chessboard-cell-white{
    z-index: 99;
    margin-right: -10px;
    margin-bottom: -10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0px 2px 5px 2px rgb(226, 226, 226);
    
  }